+AC_SUBST([HAVE_DOCBOOK_XSL])
+])# FP_DOCBOOK_XSL
+
+
+# FP_PROG_XMLLINT
+# ----------------
+# Sets the output variable XmllintCmd to the full path of the XSLT processor
+# xmllint. XmllintCmd is empty if xmllint could not be found.
+AC_DEFUN([FP_PROG_XMLLINT],
+[AC_PATH_PROG([XmllintCmd], [xmllint])
+if test -z "$XmllintCmd"; then
+ AC_MSG_WARN([cannot find xmllint in your PATH, you will not be able to validate your documentation])
+fi
+])# FP_PROG_XMLLINT
+
+
+# FP_CHECK_DOCBOOK_DTD
+# --------------------
+AC_DEFUN([FP_CHECK_DOCBOOK_DTD],
+[AC_REQUIRE([FP_PROG_XMLLINT])dnl
+if test -n "$XmllintCmd"; then
+ AC_MSG_CHECKING([for DocBook DTD])
+ FP_GEN_DOCBOOK_XML
+ if $XmllintCmd --nonet --valid --noout conftest.xml ; then
+ AC_MSG_RESULT([ok])
+ else
+ AC_MSG_RESULT([failed])
+ AC_MSG_WARN([cannot find a DTD for DocBook XML V4.5, you will not be able to validate your documentation])
+ AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
+ fi
+ rm -rf conftest*
+fi
+])# FP_CHECK_DOCBOOK_DTD
+
+
+# FP_GEN_FO
+# ------------------
+# Generates a formatting objects document in conftest.fo.
+AC_DEFUN([FP_GEN_FO],
+[rm -f conftest.fo
+cat > conftest.fo << EOF
+<?xml version="1.0"?>
+<fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
+ <fo:layout-master-set>
+ <fo:simple-page-master master-name="blank">
+ <fo:region-body/>
+ </fo:simple-page-master>
+ </fo:layout-master-set>
+ <fo:page-sequence master-reference="blank">
+ <fo:flow flow-name="xsl-region-body">
+ <fo:block>
+ Test!
+ </fo:block>
+ </fo:flow>
+ </fo:page-sequence>
+</fo:root>
+EOF
+]) # FP_GEN_FO
+
+
+# FP_PROG_FOP
+# -----------
+# Set the output variable 'FopCmd' to the first working 'fop' in the current
+# 'PATH'. Note that /usr/bin/fop is broken in SuSE 9.1 (unpatched), so try
+# /usr/share/fop/fop.sh in that case (or no 'fop'), too.
+AC_DEFUN([FP_PROG_FOP],
+[AC_PATH_PROGS([FopCmd1], [fop fop.sh])
+if test -n "$FopCmd1"; then
+ AC_CACHE_CHECK([for $FopCmd1 usability], [fp_cv_fop_usability],
+ [FP_GEN_FO
+ if "$FopCmd1" -fo conftest.fo -ps conftest.ps > /dev/null 2>&1; then
+ fp_cv_fop_usability=yes
+ else
+ fp_cv_fop_usability=no
+ fi
+ rm -rf conftest*])
+ if test x"$fp_cv_fop_usability" = xyes; then
+ FopCmd=$FopCmd1
+ fi
+fi
+if test -z "$FopCmd"; then
+ AC_PATH_PROGS([FopCmd2], [fop.sh], , [/usr/share/fop])
+ FopCmd=$FopCmd2
+fi
+AC_SUBST([FopCmd])
+])# FP_PROG_FOP
+
+
+# FP_PROG_HSTAGS
+# ----------------
+# Sets the output variable HstagsCmd to the full Haskell tags program path.
+# HstagsCmd is empty if no such program could be found.
+AC_DEFUN([FP_PROG_HSTAGS],
+[AC_PATH_PROG([HstagsCmd], [hasktags])
+if test -z "$HstagsCmd"; then
+ AC_MSG_WARN([cannot find hasktags in your PATH, you will not be able to build the tags])
+fi
+])# FP_PROG_HSTAGS
+
+
+# FP_PROG_GHC_PKG
+# ----------------
+# Try to find a ghc-pkg matching the ghc mentioned in the environment variable
+# WithGhc. Sets the output variable GhcPkgCmd.
+AC_DEFUN([FP_PROG_GHC_PKG],
+[AC_CACHE_CHECK([for ghc-pkg matching $WithGhc], fp_cv_matching_ghc_pkg,
+[
+# If we are told to use ghc-stage2, then we're using an in-tree
+# compiler. In this case, we just want ghc-pkg, not ghc-pkg-stage2,
+# so we sed off -stage[0-9]$. However, if we are told to use
+# ghc-6.12.1 then we want to use ghc-pkg-6.12.1, so we keep any
+# other suffix.
+fp_ghc_pkg_guess=`echo $WithGhc | sed -e 's/-stage@<:@0-9@:>@$//' -e 's,ghc\(@<:@^/\\@:>@*\)$,ghc-pkg\1,'`
+if "$fp_ghc_pkg_guess" list > /dev/null 2>&1; then
+ fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
+else
+ AC_MSG_ERROR([Cannot find matching ghc-pkg])
+fi])
+GhcPkgCmd=$fp_cv_matching_ghc_pkg
+AC_SUBST([GhcPkgCmd])
+])# FP_PROG_GHC_PKG
+
+
+# FP_GCC_EXTRA_FLAGS
+# ------------------
+# Determine which extra flags we need to pass gcc when we invoke it
+# to compile .hc code.
+#
+# Some OSs (Mandrake Linux, in particular) configure GCC with
+# -momit-leaf-frame-pointer on by default. If this is the case, we
+# need to turn it off for mangling to work. The test is currently a
+# bit crude, using only the version number of gcc.
+#
+# -fwrapv is needed for gcc to emit well-behaved code in the presence of
+# integer wrap around. (Trac #952)
+#
+# -fno-unit-at-a-time or -fno-toplevel-reoder is necessary to avoid gcc
+# reordering things in the module and confusing the manger and/or splitter.
+# (eg. Trac #1427)
+#
+AC_DEFUN([FP_GCC_EXTRA_FLAGS],
+[AC_REQUIRE([FP_HAVE_GCC])
+AC_CACHE_CHECK([for extra options to pass gcc when compiling via C], [fp_cv_gcc_extra_opts],
+[fp_cv_gcc_extra_opts=
+ FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.4],
+ [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fwrapv"],
+ [])
+ case $TargetPlatform in
+ i386-*|x86_64-*)
+ FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.2],
+ [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -mno-omit-leaf-frame-pointer"],
+ [])
+ FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.4],
+ [FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [4.2],
+ [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-toplevel-reorder"],
+ [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-unit-at-a-time"]
+ )],
+ [])
+ ;;
+ sparc-*-solaris2)
+ FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [4.2],
+ [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-toplevel-reorder"],
+ [])
+ ;;
+ esac
+])
+AC_SUBST([GccExtraViaCOpts],$fp_cv_gcc_extra_opts)
+])
+
+
+# FP_SETUP_PROJECT_VERSION
+# ---------------------
+AC_DEFUN([FP_SETUP_PROJECT_VERSION],
+[
+if test "$RELEASE" = "NO"; then
+ AC_MSG_CHECKING([for GHC version date])
+ if test -f VERSION_DATE; then
+ PACKAGE_VERSION=${PACKAGE_VERSION}.`cat VERSION_DATE`
+ AC_MSG_RESULT(given $PACKAGE_VERSION)
+ elif test -d .git; then
+ changequote(, )dnl
+ ver_date=`git log -n 1 --date=short --pretty=format:%ci | sed "s/^.*\([0-9][0-9][0-9][0-9]\)-\([0-9][0-9]\)-\([0-9][0-9]\).*$/\1\2\3/"`
+ if echo $ver_date | grep '^[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]$' 2>&1 >/dev/null; then true; else
+ changequote([, ])dnl
+ AC_MSG_ERROR([failed to detect version date: check that git is in your path])
+ fi
+ PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date
+ AC_MSG_RESULT(inferred $PACKAGE_VERSION)
+ elif test -d _darcs; then
+ # TODO: Remove this branch after conversion to Git
+ changequote(, )dnl
+ ver_date=`darcs changes --quiet --no-summary --xml | head -500 | grep 'date=' | sed "s/^.*date='\([0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]\).*$/\1/g" | ${SortCmd} -n | tail -1`
+ if echo $ver_date | grep '^[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]$' 2>&1 >/dev/null; then true; else
+ changequote([, ])dnl
+ AC_MSG_ERROR([failed to detect version date: check that darcs is in your path])
+ fi
+ PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date
+ AC_MSG_RESULT(inferred $PACKAGE_VERSION)
+ elif test -f VERSION; then
+ PACKAGE_VERSION=`cat VERSION`
+ AC_MSG_RESULT(given $PACKAGE_VERSION)
+ else
+ AC_MSG_WARN([cannot determine snapshot version: no .git or _darcs directory and no VERSION file])
+ fi
+fi
+
+# Some renamings
+AC_SUBST([ProjectName], [$PACKAGE_NAME])
+AC_SUBST([ProjectVersion], [$PACKAGE_VERSION])
+
+# Split PACKAGE_VERSION into (possibly empty) parts
+VERSION_MAJOR=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
+VERSION_TMP=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
+VERSION_MINOR=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
+ProjectPatchLevel=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
+
+# Calculate project version as an integer, using 2 digits for minor version
+case $VERSION_MINOR in
+ ?) ProjectVersionInt=${VERSION_MAJOR}0${VERSION_MINOR} ;;
+ ??) ProjectVersionInt=${VERSION_MAJOR}${VERSION_MINOR} ;;
+ *) AC_MSG_ERROR([bad minor version in $PACKAGE_VERSION]) ;;
+esac
+AC_SUBST([ProjectVersionInt])
+
+# The project patchlevel is zero unless stated otherwise
+test -z "$ProjectPatchLevel" && ProjectPatchLevel=0
+
+# Remove dots from the patch level; this allows us to have versions like 6.4.1.20050508
+ProjectPatchLevel=`echo $ProjectPatchLevel | sed 's/\.//'`
+
+AC_SUBST([ProjectPatchLevel])
+])# FP_SETUP_PROJECT_VERSION
+
+
+# Check for a working timer_create(). We need a pretty detailed check
+# here, because there exist partially-working implementations of
+# timer_create() in certain versions of Linux (see bug #1933).
+#
+AC_DEFUN([FP_CHECK_TIMER_CREATE],
+ [AC_CACHE_CHECK([for a working timer_create(CLOCK_REALTIME)],
+ [fptools_cv_timer_create_works],
+ [AC_TRY_RUN([
+#include <stdio.h>
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#ifdef HAVE_TIME_H
+#include <time.h>
+#endif
+#ifdef HAVE_SIGNAL_H
+#include <signal.h>
+#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+static volatile int tock = 0;
+static void handler(int i)
+{
+ tock = 1;
+}
+
+static void timeout(int i)
+{
+ // timer_settime() has been known to hang, so just in case
+ // we install a 1-second timeout (see #2257)
+ exit(99);
+}
+
+int main(int argc, char *argv[])
+{
+
+ struct sigevent ev;
+ timer_t timer;
+ struct itimerspec it;
+ struct sigaction action;
+ int m,n,count = 0;
+
+ ev.sigev_notify = SIGEV_SIGNAL;
+ ev.sigev_signo = SIGVTALRM;
+
+ action.sa_handler = handler;
+ action.sa_flags = 0;
+ sigemptyset(&action.sa_mask);
+ if (sigaction(SIGVTALRM, &action, NULL) == -1) {
+ fprintf(stderr,"SIGVTALRM problem\n");
+ exit(3);
+ }
+
+ action.sa_handler = timeout;
+ action.sa_flags = 0;
+ sigemptyset(&action.sa_mask);
+ if (sigaction(SIGALRM, &action, NULL) == -1) {
+ fprintf(stderr,"SIGALRM problem\n");
+ exit(3);
+ }
+ alarm(1);
+
+ if (timer_create(CLOCK_PROCESS_CPUTIME_ID, &ev, &timer) != 0) {
+ fprintf(stderr,"No CLOCK_PROCESS_CPUTIME_ID timer\n");
+ exit(1);
+ }
+
+ it.it_value.tv_sec = 0;
+ it.it_value.tv_nsec = 1;
+ it.it_interval = it.it_value;
+ if (timer_settime(timer, 0, &it, NULL) != 0) {
+ fprintf(stderr,"settime problem\n");
+ exit(4);
+ }
+
+ tock = 0;
+
+ for(n = 3; n < 20000; n++){
+ for(m = 2; m <= n/2; m++){
+ if (!(n%m)) count++;
+ if (tock) goto out;
+ }
+ }
+out:
+
+ if (!tock) {
+ fprintf(stderr,"no CLOCK_PROCESS_CPUTIME_ID signal\n");
+ exit(5);
+ }
+
+ timer_delete(timer);
+
+ if (timer_create(CLOCK_REALTIME, &ev, &timer) != 0) {
+ fprintf(stderr,"No CLOCK_REALTIME timer\n");
+ exit(2);
+ }
+
+ it.it_value.tv_sec = 0;
+ it.it_value.tv_nsec = 1000000;
+ it.it_interval = it.it_value;
+ if (timer_settime(timer, 0, &it, NULL) != 0) {
+ fprintf(stderr,"settime problem\n");
+ exit(4);
+ }
+
+ tock = 0;
+
+ usleep(3000);
+
+ if (!tock) {
+ fprintf(stderr,"no CLOCK_REALTIME signal\n");
+ exit(5);
+ }
+
+ timer_delete(timer);
+
+ exit(0);
+}
+ ],
+ [fptools_cv_timer_create_works=yes],
+ [fptools_cv_timer_create_works=no])
+ ])
+case $fptools_cv_timer_create_works in
+ yes) AC_DEFINE([USE_TIMER_CREATE], 1,
+ [Define to 1 if we can use timer_create(CLOCK_PROCESS_CPUTIME_ID,...)]);;
+esac
+])
+
+# FP_ICONV
+# -------------
+AC_DEFUN([FP_ICONV],
+[
+ dnl--------------------------------------------------------------------
+ dnl * Deal with arguments telling us iconv is somewhere odd
+ dnl--------------------------------------------------------------------
+
+ dnl Note: ICONV_LIB_DIRS and ICONV_INCLUDE_DIRS are not predefined
+ dnl to the empty string to allow them to be overridden from the
+ dnl environment.
+
+ AC_ARG_WITH([iconv-includes],
+ [AC_HELP_STRING([--with-iconv-includes],
+ [directory containing iconv.h])],
+ [ICONV_INCLUDE_DIRS=$withval])
+
+ AC_ARG_WITH([iconv-libraries],
+ [AC_HELP_STRING([--with-iconv-libraries],
+ [directory containing iconv library])],
+ [ICONV_LIB_DIRS=$withval])
+
+ AC_SUBST(ICONV_INCLUDE_DIRS)
+ AC_SUBST(ICONV_LIB_DIRS)
+])# FP_ICONV
+
+# FP_GMP
+# -------------
+AC_DEFUN([FP_GMP],
+[
+ dnl--------------------------------------------------------------------
+ dnl * Deal with arguments telling us gmp is somewhere odd
+ dnl--------------------------------------------------------------------
+
+ AC_ARG_WITH([gmp-includes],
+ [AC_HELP_STRING([--with-gmp-includes],
+ [directory containing gmp.h])],
+ [GMP_INCLUDE_DIRS=$withval])
+
+ AC_ARG_WITH([gmp-libraries],
+ [AC_HELP_STRING([--with-gmp-libraries],
+ [directory containing gmp library])],
+ [GMP_LIB_DIRS=$withval])
+
+ AC_SUBST(GMP_INCLUDE_DIRS)
+ AC_SUBST(GMP_LIB_DIRS)
+])# FP_GMP
+
+# FP_CHECK_MACOSX_DEPLOYMENT_TARGET
+# ---------------------------------
+AC_DEFUN([FP_CHECK_MACOSX_DEPLOYMENT_TARGET],
+[
+if test "x$TargetOS_CPP-$TargetVendor_CPP" = "xdarwin-apple"; then
+ AC_MSG_CHECKING([Mac OS X deployment target])
+ case $FP_MACOSX_DEPLOYMENT_TARGET in
+ none) ;;
+ 10.4) MACOSX_DEPLOYMENT_VERSION=10.4
+ MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
+ ;;
+ 10.4u) MACOSX_DEPLOYMENT_VERSION=10.4
+ MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
+ ;;
+ *) MACOSX_DEPLOYMENT_VERSION=$FP_MACOSX_DEPLOYMENT_TARGET
+ MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX${FP_MACOSX_DEPLOYMENT_TARGET}.sdk
+ ;;
+ esac
+ if test "x$FP_MACOSX_DEPLOYMENT_TARGET" = "xnone"; then
+ AC_MSG_RESULT(none)
+ else
+ if test ! -d $MACOSX_DEPLOYMENT_SDK; then
+ AC_MSG_ERROR([Unknown deployment target $FP_MACOSX_DEPLOYMENT_TARGET])
+ fi
+ AC_MSG_RESULT([${MACOSX_DEPLOYMENT_VERSION} (${MACOSX_DEPLOYMENT_SDK})])
+ fi
+fi
+])
+
+# --------------------------------------------------------------
+# Calculate absolute path to build tree
+# --------------------------------------------------------------
+
+AC_DEFUN([FP_INTREE_GHC_PWD],[
+AC_MSG_NOTICE(Building in-tree ghc-pwd)
+ dnl This would be
+ dnl make -C utils/ghc-pwd clean && make -C utils/ghc-pwd
+ dnl except we don't want to have to know what make is called. Sigh.
+ rm -rf utils/ghc-pwd/dist-boot
+ mkdir utils/ghc-pwd/dist-boot
+ if ! "$WithGhc" -v0 -no-user-package-conf -hidir utils/ghc-pwd/dist-boot -odir utils/ghc-pwd/dist-boot -stubdir utils/ghc-pwd/dist-boot --make utils/ghc-pwd/Main.hs -o utils/ghc-pwd/dist-boot/ghc-pwd
+ then
+ AC_MSG_ERROR([Building ghc-pwd failed])
+ fi
+
+ GHC_PWD=utils/ghc-pwd/dist-boot/ghc-pwd
+])
+
+AC_DEFUN([FP_BINDIST_GHC_PWD],[
+ GHC_PWD=utils/ghc-pwd/dist/build/tmp/ghc-pwd
+])
+
+AC_DEFUN([FP_FIND_ROOT],[
+AC_MSG_CHECKING(for path to top of build tree)
+ hardtop=`$GHC_PWD`
+
+ dnl Remove common automounter nonsense
+ hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|'`
+
+ if ! test -d "$hardtop"; then
+ AC_MSG_ERROR([cannot determine current directory])
+ fi
+
+ dnl We don't support building in directories with spaces.
+ case "$hardtop" in
+ *' '*)
+ AC_MSG_ERROR([
+ The build system does not support building in a directory
+ containing space characters.
+ Suggestion: move the build tree somewhere else.])
+ ;;
+ esac
+
+ AC_SUBST(hardtop)
+
+ AC_MSG_RESULT($hardtop)
+])
+
+# GHC_CONVERT_CPU(cpu, target_var)
+# --------------------------------
+# converts cpu from gnu to ghc naming, and assigns the result to $target_var
+AC_DEFUN([GHC_CONVERT_CPU],[
+case "$1" in
+ alpha*)
+ $2="alpha"
+ ;;
+ arm*)
+ $2="arm"
+ ;;
+ hppa1.1*)
+ $2="hppa1_1"
+ ;;
+ hppa*)
+ $2="hppa"
+ ;;
+ i386)
+ $2="i386"
+ ;;
+ ia64)
+ $2="ia64"
+ ;;
+ m68k*)
+ $2="m68k"
+ ;;
+ mipseb*)
+ $2="mipseb"
+ ;;
+ mipsel*)
+ $2="mipsel"
+ ;;
+ mips*)
+ $2="mips"
+ ;;
+ powerpc64*)
+ $2="powerpc64"
+ ;;
+ powerpc*)
+ $2="powerpc"
+ ;;
+ rs6000)
+ $2="rs6000"
+ ;;
+ s390*)
+ $2="s390"
+ ;;
+ sparc64*)
+ $2="sparc64"
+ ;;
+ sparc*)
+ $2="sparc"
+ ;;
+ vax)
+ $2="vax"
+ ;;
+ x86_64)
+ $2="x86_64"
+ ;;
+ *)
+ echo "Unknown CPU $1"
+ exit 1
+ ;;
+ esac